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具有季节性切换反应及脉冲扰动的鱼类单种群动力学模型
曾夏萍(),卢文雯,庞国萍,梁志清*()
Single Population Dynamics Model of Fish with Seasonal Switching and Impulsive Perturbations
Zeng Xiaping(),Lu Wenwen,Pang Guoping,Liang Zhiqing*()

图1. 当 $r\phi > \lambda _1 (1 - \phi )$ 时系统 (1.2) 具有稳定的正周期解

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